<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120"><XtxCheckbox :modelValue="$store.getters['cart/isCheckAll']" @change="$store.dispatch('cart/checkAllCart', $event)">全选</XtxCheckbox></th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
              <td><XtxCheckbox v-model="item.selected" @change="$store.dispatch('cart/updateCart', item)" /></td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${item.id}`"><img :src="item.picture" alt=""></RouterLink>
                  <div>
                    <p class="name ellipsis">{{ item.name }}</p>
                    <!-- 选择规格组件 -->
                    <CartSku @change="changeSku(item.skuId, $event)" :attrs-text="item.attrsText" :skuId="item.skuId"></CartSku>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p>比加入时降价 <span class="red">&yen;{{ ( item.price  - item.nowPrice).toFixed(2) }}</span></p>
              </td>
              <td class="tc">
                <XtxNumbox
                  v-model="item.count"
                  @change="$store.dispatch('cart/updateCart', item)"
                />
              </td>
              <td class="tc"><p class="f16 red">&yen;{{ (item.nowPrice * item.count).toFixed(2)}}</p></td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="deleteCart(item.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length">
            <tr><td colspan="6"><h3 class="tit">失效商品</h3></td></tr>
            <tr v-for="i in 3" :key="i">
              <td><XtxCheckbox style="color:#eee;" /></td>
              <td>
                <div class="goods">
                  <RouterLink to="/"><img src="https://yanxuan-item.nosdn.127.net/13ab302f8f2c954d873f03be36f8fb03.png" alt=""></RouterLink>
                  <div>
                    <p class="name ellipsis">和手足干裂说拜拜 ingrams手足皲裂修复霜</p>
                    <p class="attr">颜色：粉色 尺寸：14cm 产地：中国</p>
                  </div>
                </div>
              </td>
              <td class="tc"><p>&yen;200.00</p></td>
              <td class="tc">1</td>
              <td class="tc"><p>&yen;200.00</p></td>
              <td class="tc">
                <p><a class="green" href="javascript:;">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox :modelValue="$store.getters['cart/isCheckAll']" @change="$store.dispatch('cart/checkAllCart', $event)">全选</XtxCheckbox>
          <a href="javascript:;" @click="batchDeleteCart()" >删除选中商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)" >清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择 {{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
          <span class="red">¥ {{$store.getters['cart/selectedAmount']  }} </span>
          <XtxButton type="primary" @click="goCheckout">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script>
import { useStore } from 'vuex'
import Confirm from '@/components/library/Confirm'
import GoodRelevant from '@/views/goods/components/goods-relevant.vue'
import CartSku from './components/cart-sku.vue'
import Message from '@/components/library/Message'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxCartPage',
  components: { GoodRelevant, CartSku },
  setup () {
    const store = useStore()
    const router = useRouter()
    // 删除单个商品
    const deleteCart = (skuId) => {
      // 这里需要有个确认框
      Confirm({ text: '亲，您是否确认删除商品' }).then(res => {
        // console.log(res)
        // 用户点击了确认后，实现真的删除
        store.dispatch('cart/deleteCart', skuId)
      }).catch(e => {
        console.log(e)
      })
    }

    // 删除选中商品(多个)
    const batchDeleteCart = (bl) => {
      // 这里需要有个确认框
      Confirm({ text: `亲，您是否确认删除${bl ? '失效' : '选中'}商品` }).then(res => {
        // 用户点击了确认后，实现真的删除
        store.dispatch('cart/batchDeleteCart', bl)
      }).catch(e => {
        console.log(e)
      })
    }

    const changeSku = (oldSkuId, newSkuObj) => {
      store.dispatch('cart/updateCartSku', { oldSkuId, newSkuObj })
    }

    // 下单结算按钮
    const goCheckout = () => {
      // 1. 判断是否选中有效商品。
      if (!store.getters['cart/selectedTotal']) return Message({ message: '至少选中一件商品' })
      // 2. 判断是否登录，给确认框提示，点击确认
      if (!store.state.user.profile.token) {
        Confirm({ text: '下单结算需要登录，确认现在去登录吗？' }).then(() => {
          // console.log('用户点击了确认')
          router.push('/member/checkout')
        }).catch(() => {
          console.log('用户点击了取消')
        })
      } else {
        // 已登录跳转到填写订单(结算)页面。
        router.push('/member/checkout')
      }
    }

    return { deleteCart, batchDeleteCart, changeSku, goCheckout }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,td{
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
